On Wed, May 30, 2012 at 10:31:48PM +0200, Hauke Fath wrote:
> Nothing really changed, that's what baffles me. The machine rebooted after
> a panic at some point, and came up with bad performance. I had updated the
> kernel in that context, but as I mentioned, the old kernel gave the same
> result.
That reminds me of a strange problem I have on one machine - could you
check vmstat -i output for the cpu timer interrupts?
On my machine they usually are at 100 Hz, but sometimes after reboot
I only get, say, 30 Hz - and that makes the network "not work too well".
Martin